public void ResolveArgAndBounds(MmdGenericTypeVarScope genericTypeVarScope)
{
if (IsAssignment())
{
MmdGenericTypeVar gtv = genericTypeVarScope.Get(arg);
if (gtv != null)
{
gtv.ResolveArgAndBounds(genericTypeVarScope);
if (gtv.IsAssignment())
{
arg = gtv.arg;
}
else if (gtv.IsBound())
{
arg = null;
extendsAttribute = gtv.extendsAttribute;
// superAttribute = gtv.superAttribute;
}
}
}
else if (IsBound())
{
MmdGenericTypeVar extendsGtv = genericTypeVarScope.Get(extendsAttribute);
if (extendsGtv != null)
{
extendsGtv.ResolveArgAndBounds(genericTypeVarScope);
extendsAttribute = extendsGtv.arg != null ? extendsGtv.arg : extendsGtv.extendsAttribute;
}
// TODO superAttribute
}
else
{
throw new MetaMetadataException(
"wrong meta-metadata generic type var type! must either be an assignment or a bound.");
}
}
public MetaMetadata ResolveMmdName(String mmdName, NameType[] nameType)
{
if (mmdName == null)
{
return(null);
}
Object resultObj = null;
MetaMetadata result = null;
MetaMetadataField field = mmStack.Peek();
if (nameType != null && nameType.Length > 0)
{
nameType[0] = NameType.NONE;
}
// step 1: try to resolve the name as a concrete meta-metadata name, using the mmdScope.
if (field is MetaMetadataNestedField)
{
MetaMetadataNestedField nested = (MetaMetadataNestedField)field;
nested.Scope.TryGetValue(mmdName, out resultObj);
result = (MetaMetadata)resultObj;
if (result != null)
{
if (nameType != null && nameType.Length > 0)
{
nameType[0] = NameType.MMD;
}
}
}
// step 2: if step 1 failed, try to use it as a generic type var name
if (result == null && mmdName.ToUpper().Equals(mmdName))
{
List <Object> gtvScopes = scopeStack.Peek().GetAll(GENERIC_TYPE_VAR_SCOPE);
foreach (MmdGenericTypeVarScope gtvScope_object in gtvScopes)
{
if (!(gtvScope_object is MmdGenericTypeVarScope))
{
throw new MetaMetadataException("Object is not instance of MmdGenericTypeVarScope");
}
MmdGenericTypeVarScope gtvScope = gtvScope_object;
MmdGenericTypeVar gtv = gtvScope.Get(mmdName);
if (gtv != null)
{
if (gtv.Arg != null)
{
result = ResolveMmdName(gtv.Arg);
}
else if (gtv.ExtendsAttribute != null)
{
result = ResolveMmdName(gtv.ExtendsAttribute);
}
// TODO superAttribute?
}
}
if (result != null)
{
if (nameType != null && nameType.Length > 0)
{
nameType[0] = NameType.GENERIC;
}
}
}
return(result);
}